Why Is It Taking So Long To Get To Mars

Sources:
https://www.nationalgeographic.com/news/2016/09/elon-musk-spacex-exploring-mars-planets-space-science/

https://spacecentre.co.uk/blog-post/arent-mars-yet/

https://www.nationalgeographic.com/news/2015/11/151111-mars-mission-fail-history-astronaut-science/

https://www.nasa.gov/pdf/566250main_SHUTTLE%20ERA%20FACTS_040412.pdf

https://www.dw.com/en/us-astronaut-ends-longest-spaceflight-by-a-woman/a-52275358

https://phys.org/news/2016-12-strong-gravity-mars.html

https://image.gsfc.nasa.gov/poetry/venus/q2811.html

https://techcrunch.com/2019/09/30/spacex-details-starship-and-super-heavy-in-new-website/

https://www.forbes.com/sites/quora/2018/11/28/do-we-already-have-the-technology-to-send-humans-to-mars-and-bring-them-back-again/#76abbf9e6b89

https://www.space.com/11417-mars-missions-space-travel-challenges.html

https://www.mars-one.com/faq/technology/how-does-the-mars-base-communicate-with-earth

https://www.businessinsider.com/why-nasa-has-not-sent-humans-to-mars-2018-2

https://www.nasa.gov/offices/odeo/workforce-data

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